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Full Discussion: Pipe to basename
Top Forums UNIX for Dummies Questions & Answers Pipe to basename Post 302949829 by neutronscott on Thursday 16th of July 2015 11:40:28 AM
Old 07-16-2015
I think the easy solution is to use cd first.
Use a subshell and you don't even need to remember where you were:

Code:
( cd /dir && wc -l txt* )

edit:

if you're just curious about the functionality of basename, it operates on a parameter and doesn't strip paths from stdin. so piping to it is not going to work. you'd have to read and split wc's output using the shell and feed it back into basename, like so:

Code:
wc -l ./temp/* | while read lines file; do
  echo "$lines $(basename "$file")"
done

but at this point you may as well continue using the shells feature of parameter expansion to save from calling external programs a whole lot:
Code:
  echo "$lines ${file##*/}"


Last edited by neutronscott; 07-16-2015 at 12:47 PM..
 

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BASENAME(1)						    BSD General Commands Manual 					       BASENAME(1)

NAME
basename, dirname -- return filename or directory portion of pathname SYNOPSIS
basename string [suffix] basename [-a] [-s suffix] string [...] dirname string [...] DESCRIPTION
The basename utility deletes any prefix ending with the last slash '/' character present in string (after first stripping trailing slashes), and a suffix, if given. The suffix is not stripped if it is identical to the remaining characters in string. The resulting filename is written to the standard output. A non-existent suffix is ignored. If -a is specified, then every argument is treated as a string as if basename were invoked with just one argument. If -s is specified, then the suffix is taken as its argument, and all other arguments are treated as a string. The dirname utility deletes the filename portion, beginning with the last slash '/' character to the end of string (after first stripping trailing slashes), and writes the result to the standard output. EXIT STATUS
The basename and dirname utilities exit 0 on success, and >0 if an error occurs. EXAMPLES
The following line sets the shell variable FOO to /usr/bin. FOO=`dirname /usr/bin/trail` SEE ALSO
csh(1), sh(1), basename(3), dirname(3) STANDARDS
The basename and dirname utilities are expected to be IEEE Std 1003.2 (``POSIX.2'') compatible. BSD
April 18, 1994 BSD
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